diff --git a/src/scriptfile.c b/src/scriptfile.c
index 69016bf..6dc5557 100644
--- a/src/scriptfile.c
+++ b/src/scriptfile.c
@@ -1690,6 +1690,8 @@
 	    // reset version, "vim9script" may have been added or removed.
 	    si->sn_version = 1;
 	}
+	if (ret_sid != NULL)
+	    *ret_sid = sid;
     }
     else
     {